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FRACTAL ANALYSIS ON SPATIAL DISTRIBUTION PATTERNS OF POPULATION FROM QUERCUS LIAOTUNGGENSIS FOREST IN DONGLING MOUNTAIN, BEIJING CHINA Path Analysis on the Crown Characteristics and Growth of Manglietia yuyuanensis in Mixed Stands Impacts of Different Intermediate Cutting on Crown Structure of Manglietia yuyuanensis in Mixed Stands with Cunninghamia lanceolata Studies on the Pathogen and Pathogenesis Regularity of Root Cancer in Kiwifruit Study on Crown Structure and Function of Phyllostachys pubescensStands for Culm and Shoot Production The density effect of Platycladus orientalis plantation in Beijing area Extracting the canopy structure parameters using hemispherical photography method Enrichment characteristics of heavy metals in heron eggs Effects of diameter at breast height on crown characteristics of Chinese Fir under different canopy density conditions Relationships among light conditions, crown structure and branch longevity: a case study in Osmanthus fragrans and Metasequoia glyptostroboides Influences of Acid Rain on Crown Leaching of Chemical Ions in Different Forest Ecosystem in Guangzhou Nelder Trial:Effect of Density on Crown Growth and Multi-stem Emergence of Acacia auriculaeformis Forests Interrelations of Forest Precipitation, Crown Interception and Trunk Stemflow in Sub-tropical Plantations of Cunninghamia lanceolata and Pinus massoniana STUDIES ON COUNTING GREATEST DENSITY OF STAND USING PROJECTED AREAS OF TREE-CROWN EFFECT OF TREE CROWN DISPOSITION ON THE VERTICAL DISTRIBUTION OF ANNUAL INCREMENT IN THE MAIN STEM OF POPLAR DETERMINING BASAL AREA GROWTH PROCESS OF THINNINED EVEN-AGED STANDS BY CROWN COMPETITION FACTOR STUDIES ON THE GROWTH CHARACTERISTICS AND THE CROWN STRUCTURE OF EUCALYPTUS PLANTATION WITH THE DIFFERENT CONTINUOUS-PLANTING ROTATION STUDY ON POPLAR GROWTH UNDER AGRO-SILVICULTURAL INTERCROPPING CONDITIONS Research on Tree Crown Recognition System Based on BP Networks Relationship between Crown Diameter and Diameter at Breast Height of Cunninghamia lanceolata Scenery and Recreation Forest Pathogen Identification of Fusarium Crown Root Rot and Screening for Resistant Sources in Tomato Fractal structure of Abies fabri, dominant tree species in dark coniferous forest at the upper reach of Yangtze River Response of structural plasticity of Tilia amurensis sapling crowns to different light conditions Individual Tree Growth Model of Larch Plantation based on Crown Competition Factors Response of Amorpha fruiticosa planting to soil nutrients in the Tibetan Plateau The relationship of root traits with persistence and biomass in 10 alfalfa varieties INDUCTION CULTURE OF PLANT CROWN GALLS AND REGENERATION 0F PLANTS FROM CROWN GALLS Cytological Observations on Nodules,Nodule-Like Structures and Crown Galls on the Roots of Phaseolus vulgaris Investigation on the structure of the protective forest belt in sandy area in Maowusu Interpopulation difference in growth and reproduction of endemic specie s Tetraena mongolica in Ordos Plateau Theoretical research on a model for predicting the shadow boundary of and individual conical crown on a slope Architectural Analysis of Crown Geometry of Saplings of Quercus liaotungensis Forest in Different Habitats Variation of Leaf Area in Individual Tree for Poplar Shelterbelts Analysis of Crown Growth Characteristics in Natural Larix gmelinii Forests Optimal Growing Space for Juglans mandshurica in Second Growth Forests in Changbai Mountains Chemical constituents from crown gall of transgenic Panax guinguefolium (II) Effect of Armillaria mellea Elicitor on Accumulation of Tanshinones in Crown Gall Cultures of Salvia miltiorrhiza Crown interception of apple trees in loess hilly and gully region, Northwest China. The growth of canopy trees and gap dynamics of the Korean-pine forests Study of Tree Competition Index Based on Crown Feature STUDY ON PREDICTION METHOD OF CONE CROP IN CHINESE FIR [CUNNINGHAMIA LANCEOLATA (LAMB．)HOOK] SEED ORCHARD A STUDY ON CALCULATING PROPORTIONAL COEFFICIENT OF CROWN AREA AND DETERMINING STANDARD DENSITY (STEM NUMBER) OF PURE ARTIFICIAL EVEN AGED STAND Stumes on Density Estimation for the Pine Caterpillar through Counting of Larvae on Short Trees A New Single-tree Competition Measure── Relative Effective Crown ratio Spatial Distribution of Leaves, Branches and The Vessel Characteristics in Betula platyphylla Pathogen Identification of Fusarium Crown Root Rot and Screening for Resistant Sources in Tomato Aboveground Biomass Estimation of Tamarix ramosissima Shrub in the Lower Reaches of Tarim River Study on predicition method of cone crop in seed orchard of Pinus tabulaeformis SEASONAL CHANGES AND DAILY COURSES OF PHOTOSYNTHETIC CHARACTER ISTICS OF 18-YEAR-OLD CHINESE FIR SHOOTS IN RELATION TO SHOOT AGES AND POSITIONS WITHIN TREE CROWN CROWN STRUCTURE OF POPLAR TREES IN INTENSIVE AND EXTENSIVE MANAGEMENT PLANTATIONS THE RELATIONSHIP BETWEEN CROWN CHARACTERISTICS AND STEMWOOD GROWTH OF NEW POPLAR CLONES STUDY ON HYDROLOGICAL EFFECT OF LARIX KAEMPFERI FORESTS IN WESTERN HENAN PROVINCE Isolation and purification of polysaccharides from transgenic crown gall cultures of Panax quinquefolium Effect of Crown Position on the Leaf Anatomical Traits and Nitrogen Content in Five Broadleaf Tree Species STUDY ON TOXICITY MUTATION OF CROWNVETCHINDUCED BY RADIATION